Features
This motor multiplexer (MTRMX-Nx) is specifically designed medium power motor controller to connect RCX LEGO motors to NXT. This multiplexer connects directly to one of the digital sensor ports of NXT and the power for the motors is supplied from an external source. It's designed as Quad 35 Volt 0.6 amps H-Bridge motor drive.

This multiplexer drives 9 volt RCX compatible Lego electric motors (Lego 71427, 74569 or 43362).
Use this if you already have some of these motors and wish to put them to use with NXT. If you don't have these motors, we suggest NXTMMX or NXTServo.

If you wish to connect regular DC motors to this -You can connect regular DC motors (max 35 volts, 500 mA) to this MTRMX-Nx by attaching motor pins to the holes shown in adjacent picture. Connect your power supplied expected by DC motors to the power pins on MTRMX-Nx. The controller will provide same forward/reverse rotation with speed control as it would for RCX motors.

User's ContraptionsLego Mindstorms NXT Hexapod

Lego Wall-E NXT using Motor Multiplexer

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